Planter stand



FIG. 1 is an upper front perspective view of the planter stand showing my new design;

FIG. 2 is a front elevational view, the rear side being identical thereof;

FIG. 3 is a right side elevational view, the left side being identical thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plant view. 

The ornamental design for a planter stand, as shown and described. 